Aquarium



FIG. 1 is a perspective view of an aquarium showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof, the left side being a mirror image of the right side shown;

FIG. 7 is a cross-sectional view taken on line 7--7 of FIG. 2 ; and,

FIG. 8 is an exploded perspective view thereof. 

The ornamental design for an aquarium, as shown and described. 